001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.spring;
018
019 import javax.xml.bind.annotation.XmlAccessType;
020 import javax.xml.bind.annotation.XmlAccessorType;
021 import javax.xml.bind.annotation.XmlAttribute;
022 import javax.xml.bind.annotation.XmlRootElement;
023 import javax.xml.bind.annotation.XmlTransient;
024
025 import org.apache.camel.CamelContext;
026 import org.apache.camel.CamelContextAware;
027 import org.apache.camel.Endpoint;
028 import org.apache.camel.impl.DefaultProducerTemplate;
029 import org.apache.camel.model.IdentifiedType;
030 import org.springframework.beans.factory.FactoryBean;
031 import org.springframework.beans.factory.InitializingBean;
032
033 /**
034 * A Spring {@link FactoryBean} for creating a new {@link org.apache.camel.ProducerTemplate}
035 * instance with a minimum of XML
036 *
037 * @version $Revision: 679972 $
038 */
039 @XmlRootElement(name = "template")
040 @XmlAccessorType(XmlAccessType.FIELD)
041 public class CamelTemplateFactoryBean extends IdentifiedType implements FactoryBean, InitializingBean, CamelContextAware {
042 @XmlAttribute(required = false)
043 private String defaultEndpoint;
044 @XmlTransient
045 private CamelContext camelContext;
046
047 public void afterPropertiesSet() throws Exception {
048 if (camelContext == null) {
049 throw new IllegalArgumentException("A CamelContext must be injected!");
050 }
051 }
052
053 public Object getObject() throws Exception {
054 CamelContext context = getCamelContext();
055 if (defaultEndpoint != null) {
056 Endpoint endpoint = context.getEndpoint(defaultEndpoint);
057 if (endpoint == null) {
058 throw new IllegalArgumentException("No endpoint found for URI: " + defaultEndpoint);
059 } else {
060 return new DefaultProducerTemplate(context, endpoint);
061 }
062 }
063 return new DefaultProducerTemplate(context);
064 }
065
066 public Class getObjectType() {
067 return DefaultProducerTemplate.class;
068 }
069
070 public boolean isSingleton() {
071 return true;
072 }
073
074 // Properties
075 // -------------------------------------------------------------------------
076 public CamelContext getCamelContext() {
077 return camelContext;
078 }
079
080 public void setCamelContext(CamelContext camelContext) {
081 this.camelContext = camelContext;
082 }
083
084 public String getDefaultEndpoint() {
085 return defaultEndpoint;
086 }
087
088 /**
089 * Sets the default endpoint URI used by default for sending message
090 * exchanges
091 */
092 public void setDefaultEndpoint(String defaultEndpoint) {
093 this.defaultEndpoint = defaultEndpoint;
094 }
095 }